Vulnerability-Lookup

CVE-2026-59654 (GCVE-0-2026-59654)

Vulnerability from cvelistv5 – Published: 2026-08-21 12:33 – Updated: 2026-08-24 13:01

Title

Apache CloudStack: DoS caused by database connections leak

Summary

Missing Release of Resource after Effective Lifetime vulnerability in Apache CloudStack's scoped global configuration functionality. It affects different modules and plugins of the CloudStack management server, including Quota, Host-HA, etc., and may lead to eventual denial of service (DoS) scenario for the management server. This issue affects Apache CloudStack: from 4.7.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.

Severity

6.8 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-24 12:52 UTC

CWE

CWE-772 - Missing Release of Resource after Effective Lifetime

Assigner

apache mitre root

References

1 reference

URL	Tags
https://lists.apache.org/thread/7cgf37clcpjj4g2hl…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
Apache Software Foundation	Apache CloudStack	Affected: 4.7.0 , ≤ 4.20.3.0 (semver) Affected: 4.21.0.0 , ≤ 4.22.1.0 (semver)	guessed

Credits

Henrique Sato <henriquesato2003@gmail.com>

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-59654

Vulnerability from fkie_nvd - Published: 2026-08-21 13:18 - Updated: 2026-08-24 16:37

Severity

6.8 (Medium) - CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

Summary

References

	URL	Tags
	security@apache.org	https://lists.apache.org/thread/7cgf37clcpjj4g2hl7rnyoq1th3ht9r4

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Apache CloudStack",
          "vendor": "Apache Software Foundation",
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            {
              "lessThanOrEqual": "4.20.3.0",
              "status": "affected",
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              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.22.1.0",
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              "version": "4.21.0.0",
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  "lastModified": "2026-08-24T16:37:45.780",
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GHSA-9J4G-GRW7-5966

Vulnerability from github – Published: 2026-08-21 15:32 – Updated: 2026-08-21 15:32

Details

This issue affects Apache CloudStack: from 4.7.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.

Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.

Severity

6.8 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

Show details on source website

JSON

To clipboard

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  ],
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    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-21T13:18:17Z",
    "severity": "MODERATE"
  },
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  "id": "GHSA-9j4g-grw7-5966",
  "modified": "2026-08-21T15:32:12Z",
  "published": "2026-08-21T15:32:12Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59654"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/7cgf37clcpjj4g2hl7rnyoq1th3ht9r4"
    }
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      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-59654 (GCVE-0-2026-59654)

FKIE_CVE-2026-59654

GHSA-9J4G-GRW7-5966

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